FVXX21 KWBC 261900
VOLCANIC ASH ADVISORY
ISSUED 1900 UTC 26 JUL 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-874         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED...AND
MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO. 
.
ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
.
DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1845 UTC DOES NOT
INDICATE THE PRESENCE OF ANY ASH. AN EARLIER SIGMET FROM
GUAYAQUIL INDICATED ASH OVER THE VOLCANO AT SUMMIT LEVEL.
TUNGURAHUA REMAINS IN A VERY ACTIVE STATE AND COULD PRODUCE
ASH AT ANYTIME.
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR
SUMMIT LEVEL TO MOVE WEST AT 10 TO 15 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 27/0100 UTC.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
HUGHES
.
NNNN